As the largest healthcare occupation, registered nurses held about 2.6 million jobs in 2008. Hospitals employed the majority of RNs, with 60 percent of such jobs. About 8 percent of jobs were in offices of physicians, 5 percent in home healthcare services, 5 percent in nursing care facilities, and 3 percent in employment services. The remainder worked mostly in government agencies, social assistance agencies, and educational services.
Source: U.S. Department of Labor, Occupational Outlook Handbook, 2010-11 Edition